/*
* Copyright 2015 MiLaboratory.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.milaboratory.core.motif;
import com.milaboratory.core.sequence.Alphabet;
import com.milaboratory.core.sequence.Sequence;
import com.milaboratory.core.sequence.Wildcard;
import com.milaboratory.util.BitArray;
public final class MotifBuilder<S extends Sequence<S>> {
private final Alphabet<S> alphabet;
private final int size;
BitArray data;
public MotifBuilder(Alphabet<S> alphabet, int size) {
this.alphabet = alphabet;
this.size = size;
this.data = new BitArray(alphabet.size() * size);
}
public void setAllowedLetter(int position, byte letter) {
if (letter > alphabet.basicSize())
throw new IllegalArgumentException();
Wildcard wc = alphabet.codeToWildcard(letter);
for (int i = 0; i < wc.size(); i++)
data.set(wc.getMatchingCode(i) * size + position);
}
public Motif<S> createAndDestroy() {
BitArray d = data;
data = null;
return new Motif<>(alphabet, size, d);
}
}